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PIXSTAT(1) BRL-CAD PIXSTAT(1) NAME pixstat - list statistics related to a color pix image SYNOPSIS pixstat [-v] [file.pix] DESCRIPTION pixstat will take the given pix(5) format file, or read from standard in. A collection of statistics related to the pixel intensities is produced for each color plane (red, green, and blue). These include: the number of pixels (and the square root of this which is the file dimensions if square); the max and min values; the mean; the median (dividing line where half the pixels are above this value, half below); the mode (most frequently occurring value) and the number of pixels at this value; the variance, standard deviation, and skew. The -v flag will also dump a histogram of the pixel values. METHOD Since the pixel values are quantized (each color having discrete values from 0 to 255), the statistics can be computed from "lump sums" after building a histogram of the input. This results in a fantastic savings in computation while also making a single pass over the input file sufficient. SEE ALSO brlcad(1), pixhist(1), bwstat(1), pix(5) AUTHOR BRL-CAD Team COPYRIGHT This software is Copyright (c) 1989-2019 by the United States Government as represented by U.S. Army Research Laboratory. BUG REPORTS Reports of bugs or problems should be submitted via electronic mail to devs@brlcad.org BRL-CAD 03/02/2021 PIXSTAT(1)
NAME | SYNOPSIS | DESCRIPTION | METHOD | SEE ALSO | AUTHOR | COPYRIGHT | BUG REPORTS
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